Home / 18,766.52-28,136.80-9,396.44

Finding the Fourth Proportional to 18,766.52, 28,136.80 and 9,396.44

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Solution

The fourth proportional to 18,766.52, 28,136.80 and 9,396.44 is: 14,088.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.52 : 28,136.80 = 9,396.44 : x
  2. Step 2: Convert to fraction form
    18,766.52/28,136.80 = 9,396.44/x
  3. Step 3: Cross multiply
    18,766.52x = 28,136.80 × 9,396.44
  4. Step 4: Simplify right side
    18,766.52x = 264,385,752.99
  5. Step 5: Solve for x
    x = 264,385,752.99/18,766.52
  6. Step 6: Final answer
    x = 14,088.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.